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April 30, 2026Materials Today CommunicationsOpen Access

Research on the Microstructural Regulation and Strengthening Mechanism of Silicon and Vanadium in High-Carbon Pearlitic Steel

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Authors

ZHZhenguo HouLZLuliang ZhaoCXChunqiao Xing

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Overview

Randomized trial evaluates Si and V's effects on microstructure and hardness in high-carbon steel, suggesting improved mechanical properties.

Key Points

  • This research investigates how silicon and vanadium affect the microstructure and hardness of high-carbon pearlitic steels.
  • Evaluated the synergistic effects of Si and V using six industrially hot-rolled wire rods.
  • Analyzed microstructural evolution and mechanical properties through thermodynamic calculations and physical models.
  • Examined interlamellar spacing refinement and precipitation behavior under industrial alloy conditions.
  • Si contributes 6.5% to interlamellar spacing refinement; V contributes 47.5%.
  • Coarse VC particles (50-150 nm) pin phase transformation interfaces, enhancing microstructural stability.
  • Co-addition of Si and V reduces cementite spheroidization rate from 9.12% to 1.18%, significantly improving thermal stability.

Cite This Study

Hou et al. (2026) studied this question.

synapsesocial.com/papers/69f2f0e31e5f7920c6386f06https://doi.org/10.1016/j.mtcomm.2026.115287
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